CVE-2017-15105

medium

Description

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

References

Advisories
More

https://usn.ubuntu.com/3673-1/

https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html

https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html

http://www.securityfocus.com/bid/102817

https://unbound.net/downloads/CVE-2017-15105.txt

Details

Source: Mitre, NVD

Published: 2018-01-23

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00682